Used in microbiological, bacteriological and biotechnological laboratories. They are mainly used to protect the sample against external dirt, guaranteeing a sterilizable but non-hermetic seal. Made of high quality aluminum. Built-in spring made of nickel-plated steel that gives an excellent adhesion to the tube and ensures the required air flow
Disposable. Designed to close culture and microbiological samples, sample tubes, erlenmeyers, Will fit perfectly into the mouth of the container. Sterilizable up to 200 °C. Air permeable
